modify

2021-04-11 18:00:07 +08:00
parent 6fbb0dea76
commit d12b1c36c6
1 changed files with 1 additions and 1 deletions
@@ -18,7 +18,7 @@ class TaskContainer extends BaseObject
    private array $_topics = [];


-    private static TaskContainer $container;
+    private static ?TaskContainer $container = null;


    /**